MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff3949d2a8e0d6b08d2b8b643cdfc6a26f44352da217b4a537e9c16d96ed7198. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff3949d2a8e0d6b08d2b8b643cdfc6a26f44352da217b4a537e9c16d96ed7198
SHA3-384 hash: fee2f29134dbb65d68eb55095b4232719ad4c5d77cea5cf77097ba24672a9ac50e544b7f501e684dc0f61b380072821b
SHA1 hash: 0917e1b5e74d35576978a667712849906e342743
MD5 hash: 77b3ea27e7398e776a511b8fc5b1f2ed
humanhash: kitten-solar-nebraska-timing
File name:ff3949d2a8e0d6b08d2b8b643cdfc6a26f44352da217b4a537e9c16d96ed7198
Download: download sample
Signature Formbook
Create hunting rule
File size:176'640 bytes
First seen:2023-03-06 08:30:32 UTC
Last seen:2023-03-13 07:10:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:VLifM4usJiw5elZRXWaJdn1HQwqmfQpqvq/WYyIgKQ8Tnl:VguQ5kRXd1wwJopqvZg9L
Threatray 2'243 similar samples on MalwareBazaar
TLSH T16C04AF36E741C071E2B312F5B67D1B7B843E2D343265A0A6E3E11AE16EA05E5B42D31F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ff3949d2a8e0d6b08d2b8b643cdfc6a26f44352da217b4a537e9c16d96ed7198
Verdict:
No threats detected
Analysis date:
2023-03-06 08:44:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ca1dc6ba-64b5-4148-a6a8-ab4f8ba5ca0c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/371818/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Banker1.29984.UNOFFICIAL
Create hunting rule

Win.Malware.Formbook-9951648-0
Create hunting rule

Win.Malware.Formbook-9964980-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
67%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6405a4d2bfec0852a68fa13b/reports/b83e39fb-f457-4a0f-9d3f-27c31cfd18a8/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ff3949d2a8e0d6b08d2b8b643cdfc6a26f44352da217b4a537e9c16d96ed7198
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e687e7ab-88f3-4f43-9740-44e4f7ab018d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1187601
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 820480 Sample: HbBQLZgBOK.exe Startdate: 06/03/2023 Architecture: WINDOWS Score: 100 29 www.232ppp.com 2->29 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 6 other signatures 2->51 10 HbBQLZgBOK.exe 2->10         started        signatures3 process4 signatures5 55 Modifies the context of a thread in another process (thread injection) 10->55 57 Maps a DLL or memory area into another process 10->57 59 Sample uses process hollowing technique 10->59 61 2 other signatures 10->61 13 explorer.exe 12 10 10->13 injected process6 dnsIp7 31 www.midundao.net 172.247.35.173, 49725, 80 ZNETUS United States 13->31 33 td-ccm-168-233.wixdns.net 34.117.168.233, 49720, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 13->33 35 11 other IPs or domains 13->35 63 System process connects to network (likely due to code injection or exploit) 13->63 65 Uses ipconfig to lookup or modify the Windows network settings 13->65 17 ipconfig.exe 1 12 13->17         started        signatures8 process9 signatures10 37 Tries to steal Mail credentials (via file / registry access) 17->37 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Tries to detect virtualization through RDTSC time measurements 17->43 20 cmd.exe 2 17->20         started        23 cmd.exe 1 17->23         started        process11 signatures12 53 Tries to harvest and steal browser information (history, passwords, etc) 20->53 25 conhost.exe 20->25         started        27 conhost.exe 23->27         started        process13
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ff3949d2a8e0d6b08d2b8b643cdfc6a26f44352da217b4a537e9c16d96ed7198/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-03-06 09:06:14 UTC
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=744utuvi4dllbdjlrnsdzx6gujxuinjnuil3jjjx5haw3fxnogma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2c173162ecb55aba0b9bdbb9e93bdf5073eea7cca02e25e2fe8c4483f852ec7e
Formbook
2d8e544f10af06bd50beb47f3b24b837e876bcf2464bf5048a578c4111a23d1d
Formbook
3290889312a146f7ed60102439cb580f84057c98c530c31cae7461b2764f5ad4
Formbook
6a823b98ee16ae3be531a26f2bc678783e274338c4dc8b20936e6e227a569b30
Formbook
d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c
Formbook
d8e71f4f6c001ff40cdc03fff232d097a103a4413b8e74ecb9a333b8a2d6a436
Formbook
f5ae9ee403c63e78514c23cdb6297c09a5367c241f6151def5fe1fc096946de4
Formbook
ffb63b1c0f03e57910b1f9b67f89bfe69768e5121ed5a0ecfc3af93dd6bc4c1f
Formbook
+ 2'233 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:poub rat
Link:
https://tria.ge/reports/230306-kep7eaag3s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
ff3949d2a8e0d6b08d2b8b643cdfc6a26f44352da217b4a537e9c16d96ed7198
MD5 hash:
77b3ea27e7398e776a511b8fc5b1f2ed
SHA1 hash:
0917e1b5e74d35576978a667712849906e342743
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6fa4eba3-8eb9-405f-801b-d4d13ed63a5c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ff3949d2a8e0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ff3949d2a8e0d6b08d2b8b643cdfc6a26f44352da217b4a537e9c16d96ed7198

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe ff3949d2a8e0d6b08d2b8b643cdfc6a26f44352da217b4a537e9c16d96ed7198

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/371818/

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